<template>
  <div>
    <h1>当前求和为：{{ he }}</h1>
    <!-- <h2>当前求和放大十倍{{ $store.getters.bigSum }}</h2> -->
    <h2>当前求和放大十倍{{ bigSum }}</h2>
    <h3>我在{{ xuexiao }},学习{{ subject }}</h3>
    <h3>下方组件的总人数是{{personList.length}}</h3>
    <select v-model.number="n">
      <option value="1">1</option>
      <option value="2">2</option>
      <option value="3">3</option>
    </select>
    <button @click="increment(n)">+</button>
    <!-- <button @click="decrement(n)">-</button> -->
    <button @click="JIAN(n)">-</button>
    <button @click="incrementOdd(n)">当前求和为奇数再加</button>
    <!-- <button @click="incrementWait">等一等再加</button> -->
    <button @click="jiaWait(n)">等一等再加</button>
  </div>
</template>

<script>
import { mapState, mapGetters, mapMutations,mapActions } from "vuex";
export default {
  name: "CountVue",
  data() {
    return {
      n: 1,
    };
  },
  computed: {
    // 借助mapState生成计算属性 对象写法
    ...mapState({ he: "sum", xuexiao: "school" }),
    // 借助mapState生成计算属性 数组写法
    ...mapState(["subject",'personList']),
    ...mapGetters(["bigSum"]),
  },
  comments: {
    mapState,
    mapGetters,
    mapMutations,
    //mapActions,
  },
  methods: {
    /*increment() {
      // this.$store.dispatch('jia',this.n);
      this.$store.commit("JIA", this.n);
    },
    decrement() {
      //this.$store.dispatch("jian", this.n);
      this.$store.commit("JIAN", this.n);
    },*/
    ...mapMutations({ increment: "JIA" }),
    ...mapMutations(['JIAN']),
    /**incrementOdd() {
      this.$store.dispatch("jiaOdd", this.n);
    },
    incrementWait() {
      this.$store.dispatch("jiaWait", this.n);
    },*/
    ...mapActions({incrementOdd:'jiaOdd'}),
    ...mapActions(['jiaWait']),
  },
  mounted() {
    //console.log("Count", this);
  },
};
</script>

<style scoped>
button {
  margin-left: 5px;
}
</style>